Trusted Reviews wrote an article that is a good read about what to expect ate CES 2015: http://www.trustedreviews.com/news/ces-2015-what-to-expect
One expectation is...
Google also announced at the time that it had reached agreements with Sony, Sharp, and Philips to include Android TV in their 2015 HDTV ranges. As such, we're expecting to see a whole bunch of top end TV sets running on Android TV at CES 2015.
Don't expect Samsung and LG to join the Android TV party just yet though. Both Korean manufacturers are keen to push their own platforms. With Samsung known to be looking to reduce its reliance on Google, LG last year introduced its new webOS TV platform, the undoubted leader of the current group.